时机 
时机[時機] ¹shíjī {C} n. opportunity; opportune moment | Bụ̀yào fàngguo rènhé hǎo ∼. 不要放过任何好∼。 Don't let go of any good opportunities.
时机 时机 [shíjī] fortunate timing; occasion; opportunity 不失时机 不失时机 [bùshīshíjī] seize the opportune moment; lose no time 
不 不 negative / - / nail person drop negative 失 失 lose / to drop / drop husband lose 時 时 time / - / sun buddhist temple time 机 机 desk / - / wood wind desk 时机 时机 
thời cơ L4 时机 shíjī (N) 时机